Re: [Intel-gfx] [PATCH] drm/i915: enable HiZ Raw Stall Optimization

2014-01-27 Thread Chia-I Wu
On Mon, Jan 27, 2014 at 9:07 PM, Ville Syrjälä wrote: > On Mon, Jan 27, 2014 at 04:18:36PM +0800, Chia-I Wu wrote: >> From: Chia-I Wu >> >> The optimization is available on Ivy Bridge and later, and is disabled by >> default. Enabling it helps certain workloads such as GLBenchmark TRex test. > >

Re: [Intel-gfx] [PATCH] drm/i915: enable HiZ Raw Stall Optimization

2014-01-27 Thread Daniel Vetter
On Mon, Jan 27, 2014 at 03:07:45PM +0200, Ville Syrjälä wrote: > On Mon, Jan 27, 2014 at 04:18:36PM +0800, Chia-I Wu wrote: > > From: Chia-I Wu > > > > The optimization is available on Ivy Bridge and later, and is disabled by > > default. Enabling it helps certain workloads such as GLBenchmark T

Re: [Intel-gfx] [PATCH] drm/i915: enable HiZ Raw Stall Optimization

2014-01-27 Thread Ville Syrjälä
On Mon, Jan 27, 2014 at 04:18:36PM +0800, Chia-I Wu wrote: > From: Chia-I Wu > > The optimization is available on Ivy Bridge and later, and is disabled by > default. Enabling it helps certain workloads such as GLBenchmark TRex test. Actually BSpec even goes as far as saying that this optimizati

Re: [Intel-gfx] [PATCH] drm/i915: enable HiZ Raw Stall Optimization

2014-01-27 Thread Daniel Vetter
On Mon, Jan 27, 2014 at 9:33 AM, Chia-I Wu wrote: > [Additional comments, and copy Ian and Chad for real] > > On Mon, Jan 27, 2014 at 4:18 PM, Chia-I Wu wrote: >> From: Chia-I Wu >> >> The optimization is available on Ivy Bridge and later, and is disabled by >> default. Enabling it helps certai

Re: [Intel-gfx] [PATCH] drm/i915: enable HiZ Raw Stall Optimization

2014-01-27 Thread Chia-I Wu
[Additional comments, and copy Ian and Chad for real] On Mon, Jan 27, 2014 at 4:18 PM, Chia-I Wu wrote: > From: Chia-I Wu > > The optimization is available on Ivy Bridge and later, and is disabled by > default. Enabling it helps certain workloads such as GLBenchmark TRex test. With the patch ap

[Intel-gfx] [PATCH] drm/i915: enable HiZ Raw Stall Optimization

2014-01-27 Thread Chia-I Wu
From: Chia-I Wu The optimization is available on Ivy Bridge and later, and is disabled by default. Enabling it helps certain workloads such as GLBenchmark TRex test. Signed-off-by: Chia-I Wu Cc: Ian Romanick Cc: Chad Versace --- drivers/gpu/drm/i915/i915_reg.h | 2 ++ drivers/gpu/drm/i